Base | Representation |
---|---|
bin | 100001111111001001… |
… | …1100100001011111000 |
3 | 20222101112001220021022 |
4 | 1003332103210023320 |
5 | 2143433410043202 |
6 | 53310155402012 |
7 | 5162442631046 |
oct | 1037623441370 |
9 | 228345056238 |
10 | 72986018552 |
11 | 28a53782aa7 |
12 | 1218aa53308 |
13 | 6b61c75035 |
14 | 376541d396 |
15 | 1d72841ea2 |
hex | 10fe4e42f8 |
72986018552 has 16 divisors (see below), whose sum is σ = 140547401160. Its totient is φ = 35506711584.
The previous prime is 72986018551. The next prime is 72986018563. The reversal of 72986018552 is 25581068927.
It is a junction number, because it is equal to n+sod(n) for n = 72986018494 and 72986018503.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72986018551) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123286898 + ... + 123287489.
Almost surely, 272986018552 is an apocalyptic number.
It is an amenable number.
72986018552 is a deficient number, since it is larger than the sum of its proper divisors (67561382608).
72986018552 is a wasteful number, since it uses less digits than its factorization.
72986018552 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 246574430 (or 246574426 counting only the distinct ones).
The product of its (nonzero) digits is 2419200, while the sum is 53.
The spelling of 72986018552 in words is "seventy-two billion, nine hundred eighty-six million, eighteen thousand, five hundred fifty-two".
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